1. Tian Tian Xiang Shang - Another Hardware

    Now, initial TTXS is working well.

    I'm porting TTXS to the board named Nucleo-32 L432, which is smaller. There used to be a single Nucleo board, which was STM32 Nucleo F103. It seemed that when the smaller one came, now, there are two different series, smaller Nucleo-32 and larger Nucleo-64 …

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  2. Tian Tian Xiang Shang - Hardware

    I start developing our own firmware implementation of smartcard reader.

    Smartcard reader is a small computer which interfaces smartcard and host computer.

    Although it is obvious to abuse it for MITM attack (since it is the device in the middle, by its definition), some people have tendency excluding such a …

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  3. Installing Debian Buster

    New Notebook PC from ShenZhen, China

    Jumper EZbook 3 Pro

    Because keyboard of Acer C720 Chromebook became broken (perhaps due to my bringing it for travels), I bought Jumper EZbook 3 Pro this week in 2019. My choice was more physically-robust computer.

    I installed Debian Buster (now "testing") to this machine. It took a …

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